v.大幅度下降，暴跌( slump的现在分词 ); 沉重或突然地落下[倒下]

thaw slumping → 热融滑塌
pack slumping → 充填物坍塌
slumping market → 萧条的市场
slumping and sliding → 陷落和滑；滑塌和滑动；塌落和滑动；景气萧条和滑动
slumping folds → 崩塌褶曲
submarine slumping → 海底塌陷；海底地裂
segmented bed slumping → 部分床压火
subaqueous slumping → 水底塌陷